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"Vulcan" Google Earth Plugin Maps Carbon Dioxide Emissions

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Google Earth is always being used to newer, cooler purposes -- from exploring underwater to learning about deforestation to, heck, checking out the Vice President's home (now that Dick Cheney doesn't live there).

And now some folks at Purdue University have mapped the United States' carbon emissions, which you can see using the Google Earth browser plugin:

The high-resolution map, available at, shows carbon dioxide emissions in metric tons in residential and commercial areas by state, county or per capita.

Called "Vulcan" after the Roman god of fire, the project, which took three years to complete, quantifies carbon dioxide emissions from burning fossil fuels such as coal and gasoline.

Check out the map here.

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